Home / 6,915.30-10,371.09-2,532.78

Finding the Fourth Proportional to 6,915.30, 10,371.09 and 2,532.78

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Solution

The fourth proportional to 6,915.30, 10,371.09 and 2,532.78 is: 3,798.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.30 : 10,371.09 = 2,532.78 : x
  2. Step 2: Convert to fraction form
    6,915.30/10,371.09 = 2,532.78/x
  3. Step 3: Cross multiply
    6,915.30x = 10,371.09 × 2,532.78
  4. Step 4: Simplify right side
    6,915.30x = 26,267,689.33
  5. Step 5: Solve for x
    x = 26,267,689.33/6,915.30
  6. Step 6: Final answer
    x = 3,798.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.